#!/bin/sh

set -e

cd $(dirname $0)/..
app_root=$(pwd)

puma_pidfile="$app_root/tmp/pids/puma.pid"
puma_config="$app_root/config/puma.rb"

spawn_puma()
{
  exec bundle exec puma --config "${puma_config}" --environment "$RAILS_ENV" "$@"
}

get_puma_pid()
{
  pid=$(cat "${puma_pidfile}")
  if [ -z "$pid" ] ; then
    echo "Could not find a PID in $puma_pidfile"
    exit 1
  fi
  echo "${pid}"
}

start()
{
  spawn_puma &
}

start_foreground()
{
  spawn_puma
}

stop()
{
  get_puma_pid
  kill -INT "$(get_puma_pid)"
}

reload()
{
  kill -USR2 "$(get_puma_pid)"
}

case "$1" in
  start)
    start
    ;;
  start_foreground)
    start_foreground
    ;;
  stop)
    stop
    ;;
  reload)
    reload
    ;;
  *)
    echo "Usage: RAILS_ENV=your_env $0 {start|stop|reload}"
    ;;
esac
